xref: /freebsd/usr.sbin/rtadvd/timer_subr.h (revision 3724189620aaf6e91ee1fbad9d3b58289c6bde5b)
1*37241896SHiroki Sato /*	$FreeBSD$	*/
2*37241896SHiroki Sato /*	$KAME: timer.h,v 1.5 2002/05/31 13:30:38 jinmei Exp $	*/
3*37241896SHiroki Sato 
4*37241896SHiroki Sato /*
5*37241896SHiroki Sato  * Copyright (C) 1998 WIDE Project.
6*37241896SHiroki Sato  * All rights reserved.
7*37241896SHiroki Sato  *
8*37241896SHiroki Sato  * Redistribution and use in source and binary forms, with or without
9*37241896SHiroki Sato  * modification, are permitted provided that the following conditions
10*37241896SHiroki Sato  * are met:
11*37241896SHiroki Sato  * 1. Redistributions of source code must retain the above copyright
12*37241896SHiroki Sato  *    notice, this list of conditions and the following disclaimer.
13*37241896SHiroki Sato  * 2. Redistributions in binary form must reproduce the above copyright
14*37241896SHiroki Sato  *    notice, this list of conditions and the following disclaimer in the
15*37241896SHiroki Sato  *    documentation and/or other materials provided with the distribution.
16*37241896SHiroki Sato  * 3. Neither the name of the project nor the names of its contributors
17*37241896SHiroki Sato  *    may be used to endorse or promote products derived from this software
18*37241896SHiroki Sato  *    without specific prior written permission.
19*37241896SHiroki Sato  *
20*37241896SHiroki Sato  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21*37241896SHiroki Sato  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22*37241896SHiroki Sato  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23*37241896SHiroki Sato  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24*37241896SHiroki Sato  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25*37241896SHiroki Sato  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26*37241896SHiroki Sato  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27*37241896SHiroki Sato  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28*37241896SHiroki Sato  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29*37241896SHiroki Sato  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30*37241896SHiroki Sato  * SUCH DAMAGE.
31*37241896SHiroki Sato  */
32*37241896SHiroki Sato 
33*37241896SHiroki Sato #define	SSBUFLEN	1024
34*37241896SHiroki Sato #define MILLION 1000000
35*37241896SHiroki Sato 
36*37241896SHiroki Sato /* a < b */
37*37241896SHiroki Sato #define	TIMEVAL_LT(a, b)				\
38*37241896SHiroki Sato 		(((a)->tv_sec < (b)->tv_sec) ||		\
39*37241896SHiroki Sato 		    (((a)->tv_sec == (b)->tv_sec) &&	\
40*37241896SHiroki Sato 		    ((a)->tv_usec < (b)->tv_usec)))
41*37241896SHiroki Sato 
42*37241896SHiroki Sato /* a <= b */
43*37241896SHiroki Sato #define	TIMEVAL_LEQ(a, b)				\
44*37241896SHiroki Sato 		(((a)->tv_sec < (b)->tv_sec) ||		\
45*37241896SHiroki Sato 		    (((a)->tv_sec == (b)->tv_sec) &&	\
46*37241896SHiroki Sato 		    ((a)->tv_usec <= (b)->tv_usec)))
47*37241896SHiroki Sato 
48*37241896SHiroki Sato #define	TIMEVAL_EQUAL(a,b)				\
49*37241896SHiroki Sato 		(((a)->tv_sec == (b)->tv_sec) &&	\
50*37241896SHiroki Sato 		    ((a)->tv_usec == (b)->tv_usec))
51*37241896SHiroki Sato 
52*37241896SHiroki Sato struct timeval	*rtadvd_timer_rest(struct rtadvd_timer *);
53*37241896SHiroki Sato void		TIMEVAL_ADD(struct timeval *, struct timeval *,
54*37241896SHiroki Sato 		    struct timeval *);
55*37241896SHiroki Sato void		TIMEVAL_SUB(struct timeval *, struct timeval *,
56*37241896SHiroki Sato 		    struct timeval *);
57*37241896SHiroki Sato char		*sec2str(uint32_t, char *buf);
58